Prg 420

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PRG 420 Entire Course

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PRG 420 Week 1 Individual Assignment Hello world PRG 420 Week 1 DQ 1 PRG 420 Week 1 DQ 2 PRG 420 Week 1 DQ 3 PRG 420 Week 2 Individual Assignment Netbeans Project (annual compensation) PRG 420 Week 2 DQ 1 PRG 420 Week 2 DQ 2 PRG 420 Week 2 DQ 3

PRG 420 Week 3 Individual Assignment Netbeans Project (annual compensation with commission) PRG 420 Week 3 DQ 1 PRG 420 Week 3 DQ 2 PRG 420 Week 3 DQ 3 PRG 420 Week 3 DQ 4 PRG 420 Week 4 Individual Assignment Netbeans Project (annual compensation comparison) PRG 420 Week 4 DQ 1 PRG 420 Week 4 DQ 2 PRG 420 Week 4 DQ 3 PRG 420 Week 5 Team Assignment Resuability (2 Papers) PRG 420 Week 5 DQ 1 PRG 420 Week 5 DQ 2 PRG 420 Week 5 DQ 3 ===============================

PRG 420 Week 1 DQ 1

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Watch the first and second videos for Week 1. Explain a little about the Java Virtual Machine, what it executes, how it might be similar to any other language, and how it is different from a native language, such as C++. ===============================

PRG 420 Week 1 DQ 2

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Java is a portable language, and being an object-oriented programming language, it also encourages component reusability. How does Java

achieve these two important features? How are these features desirable in modern software engineering? ===============================

PRG 420 Week 1 DQ 3

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You are a bank manager and you are helping a new bank teller understand the kind of accounts the bank offers. If a customer comes in asking to open a new savings account, the teller needs to ask what kind of account--passbook savings or certificate of deposit--the customer would like to open. Remind the customer that all accounts with our bank are insured by the FDIC. You should explain that all accounts earn some interest; a savings account’s interest is compounded monthly. You should assign a unique account number after accepting the customer’s initial deposit. If the customer chooses to receive statements electronically, the system will send an e-mail with a monthly statement; if the customer chooses not to, then a paper statement will be sent by mail quarterly.

If savings account is a class, give an example of each of the following as it relates to that savings account. Explain your reasoning behind your example. o Superclass o Subclass o Attribute o Method o Instance (object)  Encapsulation  ===============================

PRG 420 Week 1 Individual Assignment Hello world

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Create a program in Java™ that displays “Hello world!” Take a screen shot that shows the program’s successful compilation and execution. Then submit your program along with the screen shot. ===============================

PRG 420 Week 2 DQ 1

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Please watch the first three videos for Week 2 (around 40 minutes). Explain how an outside class may be given access to find the value of a private instance variable, or to change the value of a private instance variable. Why does this add value to your program? ===============================

PRG 420 Week 2 DQ 2

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What are the three types of errors that you can encounter in a Java™ program? Describe them, and explain how you would minimize the errors. What are some examples of errors that you have seen before? ===============================

PRG 420 Week 2 DQ 3

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A class is a blueprint for an object. A class may have a default constructor, a constructor with arguments, accessor methods, mutator

methods, public fields, and private fields. Choose a category (such as animal, vehicle, and so on) and describe how you would design a class for it. ===============================

PRG 420 Week 2 Individual Assignment Netbeans Project (annual compensation)

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INDIVIDUAL ASSIGNMENT OF WEEK # 2

Write a Java™ application using NetBeans™ Integrated Development Environment (IDE) that calculates the total annual compensation of a salesperson. Consider the following factors:

A salesperson will earn a fixed salary of $50,000

A salesperson will also receive a commission as a sales incentive. Commission is a percentage of the salesperson’s annual sales. The current commission is 5 % of total sales. The total annual compensation is the fixed salary plus the commission earned. The Java™ application should meet these technical requirements: The application should have at least one class, in addition to the application’s controlling class (a controlling class is where the main function resides). There should be proper documentation in the source code. The application should ask the user to enter annual sales, and it should display the total annual compensation. ===============================

PRG 420 Week 3 DQ 1

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Please watch the first and the fifth (next to the last) videos for Week 3 (feel free to use the transcripts, too!) . Tell me about the similarities between the conditionals in if statements and the conditionals in while statements. ===============================

PRG 420 Week 3 DQ 2

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Convert the following program from for loop to while loop.

class ArithmeticProgression { public static void main (String [] args) { int sum = 0;

for (int i = 1; i <= 1000; i++) { sum = sum + i; System.out.println(Integer.toString(sum)); } } } ===============================

PRG 420 Week 3 DQ 3

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There are 3 kinds of loops—for loop, while loop, and do while loop. Under which circumstances would each kind of loop be more appropriate? Explain your answers using specific examples. ===============================

PRG 420 Week 3 DQ 4

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Consider the following conditions:

CONDITION 1: while ( !(cChoice == 'Q' || cChoice == 'q') ) CONDITION 2: while ( cChoice != 'Q' || cChoice != 'q' )

Do Conditions 1 and 2 give the same result? What tool or technique would you use to explain the result? ===============================

PRG 420 Week 3 Individual Assignment Netbeans Project (annual compensation with commission)

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INDIVIDUAL ASSIGNMENT OF WEEK # 3 Modify the Week Two Java™ application using Java™ NetBeans™ IDE to meet these additional and changed business requirements: The company has recently changed its total annual compensation policy to improve sales.

A salesperson will continue to earn a fixed salary of $50,000. The current sales target for every salesperson is $120,000. The sales incentive will only start when 80% of the sales target is met. The current commission is 5% of total sales. If a salesperson exceeds the sales target, the commission will increase based on an acceleration factor. The acceleration factor is 1.5.

The application should ask the user to enter annual sales, and it should display the total annual compensation. The application should also display a table of potential total annual compensation that the salesperson could have earned, in $5000 increments above the salesperson’s annual sales, until it reaches 50% above the salesperson’s annual sales. Sample Table: Assuming a total annual sales of $100,000, the table would look like this:

Total Sales Total Compensation 100,000 <>

105,000 <> 110,000 <> 115,000 <> 120,000 <>

125,000 <>

130,000 <> 135,000 <> 140,000 <> 145,000 <> 150,000 <> The Java™ application should also meet these technical requirements: The application should have at least one class, in addition to the application’s controlling class. The source code must demonstrate the use of conditional and looping structures.

There should be proper documentation in the source code. ===============================

PRG 420 Week 4 DQ 1

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Assuming you want an array (named many) of seven ints what would be the easiest way to write the code if you wanted many to contain all zeros? What if you wanted many to contain a selection of seven values, that were not all zeros? What would be the subscripts of all the elements of many? ===============================

PRG 420 Week 4 DQ 2

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What is the difference between arrays and ArrayList? What are the advantages and disadvantages of an ArrayList, and when should you use an ArrayList over a simple array? ===============================

PRG 420 Week 4 DQ 3

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What is the difference between string and StringBuilder? What are the advantages and disadvantages of a StringBuilder, and when should you use a StringBuilder over a simple String? ===============================

PRG 420 Week 4 Individual Assignment Netbeans Project (annual compensation comparison)

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INDIVIDUAL ASSIGNMENT OF WEEK # 4

Modify the Week Three Java™ application using Java™ NetBeans™ IDE to meet these additional and changed business requirements: The application will now compare the total annual compensation of at least two salespersons. It will calculate the additional amount of sales that each salesperson must achieve to match or exceed the higher of the two earners.

The application should ask for the name of each salesperson being compared. The Java™ application should also meet these technical requirements:

The application should have at least one class, in addition to the application’s controlling class. The source code must demonstrate the use of Array or ArrayList. There should be proper documentation in the source code. ===============================

PRG 420 Week 5 DQ 1

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Please explain one use for a static variable in a class. Please explain how you might use one static method ( not main() ) in a class. ===============================

PRG 420 Week 5 DQ 2

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In your opinion, what are the three biggest challenges in planning and designing a solution for a programming problem? What can you do to overcome these challenges? How would you apply these techniques to the programs in this class? ===============================

PRG 420 Week 5 DQ 3

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Using an example from your work or daily life, describe an "is-a" relationship. Why is an "is-a" relationship important when designing an inheritance between classes? ===============================

PRG 420 Week 5 Team Assignment Resuability (2 Papers)

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In the real world, an entire program is rarely written from scratch. It is very likely that there are classes or methods that already exist. The key to using these existing modules successfully depends on how modularly the classes or methods are written. In this Learning Team assignment, your mission is to take a section of one team member’s Week Four program and replace a similar section of another team member’s Week Four program. Submit the following deliverables for this Learning Team assignment:

A 700- to 1050-word paper describing the following: How the two programs were selected The process of identifying the classes or methods for replacement The changes needed to make the final Java™ application program work correctly The final Java™ application program ===============================

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